Definition | A class or genre to which a work belongs. May be used to differentiate a work from another work with the same title. Multiple forms of work from the same source vocabulary may be recorded in the same field in separate occurrences of subfield ‡a (Form of work). Terms from different source vocabularies are recorded in separate occurrences of the field. |
1st Indicator | Undefined. The 1st indicator position is undefined and contains a blank (  ). |
| | | | Undefined | |
2nd Indicator | Undefined. The 2nd indicator position is undefined and contains a blank ( ). |
| | | | Undefined | |
Subfields | |
| ‡a Form of work | A term expressing the class or genre of the work. | 100 | 1 | | Wilder, Thornton, ‡d 1897-1975. | | 240 | 1 | 0 | ‡t Our town | | 380 | | | Play | | 130 | 0 | | Cinderella (Choreographic work) | | 380 | | | Choreographic work | | 130 | 0 | | War of the worlds (Television program) | | 380 | | | Television program | |
| ‡0 Authority record control number | System control number of the related authority record preceded by the MARC code, enclosed in parentheses, for the agency to which the control number applies. For a listing of sources used in MARC 21 records, see the MARC Code List for Organizations ( http://www.loc.gov/marc/organizations/). |
| ‡2 Source of term | MARC code that identifies the source of the term in subfield ‡a when from a controlled list. See Subject Heading and Term Source Codes ( http://www.loc.gov/standards/sourcelist/subject.html). |
Printing | Field 380 does not print. |
